import unittest
class TestDemo2(unittest.TestCase):
    def setUp(self) -> None:
        print("开始")

    def tearDown(self) -> None:
        print("结束")

    @classmethod
    def setUpClass(cls) -> None:
        print("类开始")

    @classmethod
    def tearDownClass(cls) -> None:
        print("类结束")

    def test_01_f(self):
        print("珠姐别做教案了")

    def test_02_f(self):
        print("珠姐我们一起摸鱼吧")


if __name__ == '__main__':
    unittest.main()